Re: [PATCH 07/16] blktrace: split out relaying a blktrace event

[PATCH 00/16] block: add blktrace support for zoned block device commands · Johannes Thumshirn <hidden> · 2025-09-09
[PATCH 01/16] blktrace: split do_blk_trace_setup into two functions · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 01/16] blktrace: split do_blk_trace_setup into two functions · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 02/16] blktrace: add definitions for blk_user_trace_setup2 · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 02/16] blktrace: add definitions for blk_user_trace_setup2 · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 03/16] blktrace: pass blk_user_trace2 to setup functions · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 03/16] blktrace: pass blk_user_trace2 to setup functions · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 04/16] blktrace: add definitions for struct blk_io_trace2 · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 04/16] blktrace: add definitions for struct blk_io_trace2 · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 05/16] blktrace: factor out recording a blktrace event · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 05/16] blktrace: factor out recording a blktrace event · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 06/16] blktrace: only calculate trace length once · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 06/16] blktrace: only calculate trace length once · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 07/16] blktrace: split out relaying a blktrace event · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 07/16] blktrace: split out relaying a blktrace event · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 08/16] blktrace: change the internal action to 64bit · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 08/16] blktrace: change the internal action to 64bit · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 09/16] blktrace: remove struct blk_io_trace from __blk_add_trace · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 09/16] blktrace: remove struct blk_io_trace from __blk_add_trace · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 10/16] blktrace: differentiate between blk_io_trace versions · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 10/16] blktrace: differentiate between blk_io_trace versions · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 11/16] blktrace: untangle if/else sequence in __blk_add_trace · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 11/16] blktrace: untangle if/else sequence in __blk_add_trace · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 12/16] blktrace: add block trace commands for zone operations · Johannes Thumshirn <hidden> · 2025-09-09
Re: [PATCH 12/16] blktrace: add block trace commands for zone operations · Christoph Hellwig <hch@lst.de> · 2025-09-19
[PATCH 13/16] blktrace: expose ZONE APPEND completions to blktrace · Johannes Thumshirn <hidden> · 2025-09-09
[PATCH 14/16] blktrace: trace zone management operations · Johannes Thumshirn <hidden> · 2025-09-09
[PATCH 15/16] blktrace: trace zone write plugging operations · Johannes Thumshirn <hidden> · 2025-09-09
[PATCH 16/16] blktrace: handle BLKTRACESETUP2 ioctl · Johannes Thumshirn <hidden> · 2025-09-09

From: Christoph Hellwig <hch@lst.de>
Date: 2025-09-19 15:10:11
Also in: linux-block, lkml

On Tue, Sep 09, 2025 at 01:06:02PM +0200, Johannes Thumshirn wrote:

Split out the code relaying a blktrace event to user-space using relayfs.

This enables adding a second version supporting a new version of the
protocol.

Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

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